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hodyreva [135]
3 years ago
12

To calculate the volume of the cone, the height is still needed. If the cone has a lateral surface with a length of 13 units, wh

at is the height of the cone?

Mathematics
1 answer:
mamaluj [8]3 years ago
8 0

Answer:

Step-by-step explanation:

Alright, lets get started.

The formula for volume of the cone is :

V=\frac{1}{3}\ \pi r^2h

Please refer the diagram I have attached.

There is a right angle triangle formed.

Using Pythagorean theorem,

l^2=h^2+r^2

13^2=h^2 + r^2

h^2=169-r^2

taking square root on both sides,

h=\sqrt{169-r^2}

This is the answer h.

Hope it will help :)





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